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<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Hi fellows,<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>I’m working in a OR
solution for a scheduling media plan, the scenarios it’s a huge with
100000 of binary variables and doze of thousands constraints, I’m using FLOPC++
(OSI framework) with solvers: GLPK, SYMPHONY, CBC and<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>OSL, I’m a very to
worry about time solution, because the one day of processing don’t return
a good solution and because this I am considering to use ILOG CPLEX to process
these problems. I want know if GLPK or SYMPHONY can resolve a huge problem like
this with good feasible time, I have many reasons to use Free Software, like we
know. The development machine is a Intel P4 3.0GHz, L2 cache with 1024MB and
2GB RAM, a scenario with 4000 0-1 variables and 1015 constraints using GLPK
solver the solution occurs in 4137 seconds, it’s the best result in all
those solvers that I’m using for test. If anyone can help me to not use
cplex I’ll be happy.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Anticipatedly, thanks
a lot<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
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style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>Regards<o:p></o:p></span></font></p>
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font-family:Arial'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><strong><b><font size=2 color="#336699" face=Arial><span
lang=PT-BR style='font-size:10.0pt;font-family:Arial;color:#336699'>Thiago
Barbanti</span></font></b></strong><span lang=PT-BR><o:p></o:p></span></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=PT-BR style='font-size:
7.5pt;font-family:Arial'>Consultant</span></font><span lang=PT-BR><o:p></o:p></span></p>
<p class=MsoNormal><span class=txarial11n1><b><font size=1 face=Arial><span
lang=PT-BR style='font-size:9.0pt;font-family:Arial;font-weight:bold'>NEORIS
BRAZIL</span></font></b></span><span lang=PT-BR><o:p></o:p></span></p>
<p class=MsoNormal><span class=txarial9n1><font size=1 face="Times New Roman"><span
lang=PT-BR style='font-size:7.5pt'>55-11-5112-9822</span></font></span><span
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<p class=MsoNormal><span class=txarial9n1><font size=1 face="Times New Roman"><span
style='font-size:7.5pt'>55-21-2586-9100</span></font></span><o:p></o:p></p>
<p class=MsoNormal><span class=txarial9n1><font size=1 face="Times New Roman"><span
style='font-size:7.5pt'>55-11-8468-0255</span></font></span><o:p></o:p></p>
<p class=MsoNormal><span class=txarial9n1><font size=1 face="Times New Roman"><span
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